短語詞組短語Not be necessary 沒必要May Not Be Necessary 毫無必要Although Not Absolutely Necessary 雖然不絕對必要not urgently necessary 非急需的is not only necessary 不僅是必要的But Not Really Necessary 但卻無甚Reforms Not Not Necessary 改革不配套it may not be necessary 可能不必要 返回 not necessary